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Topic: Why Join-Stereo decreased the bitrate of 270 kbps (stereo) to 216.4 kb (Read 6521 times) previous topic - next topic
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Why Join-Stereo decreased the bitrate of 270 kbps (stereo) to 216.4 kb

Hi.  I don't speak English 

Stereo (270.5 kbps):



However --> Figure 2 (Join-Stereo > Figure 1 (Stereo) 

 

Why Join-Stereo decreased the bitrate of 270 kbps (stereo) to 216.4 kb

Reply #1 –
Joint Stereo is generally more efficient than pure Stereo (you can read how Joint Stereo works here: http://wiki.hydrogenaudio.org/index.php?title=Joint_stereo). Since you're using a Quality parameter (-V0), the encoder can simple use less bitrate to encode at the same Quality.

Either way, that pictures proves nothing. I would say that the quality of both files are similar, but at such high bitrates both should be transparent.

Why Join-Stereo decreased the bitrate of 270 kbps (stereo) to 216.4 kb

Reply #2 –
The point of joint stereo is to decrease the bitrate needed to represent a particular two-channel signal.

Also, we don’t care about pictures. You listen to music with ears, not eyes or any other organ. Number 8 of the rules to which you were directed during registration makes this quite clear.

Why Join-Stereo decreased the bitrate of 270 kbps (stereo) to 216.4 kb

Reply #3 –
Forcing simple stereo (-m s) in VBR modes can inflate the bit rate, since it's less efficient than joint stereo. It's that simple.

Why Join-Stereo decreased the bitrate of 270 kbps (stereo) to 216.4 kb

Reply #4 –
thx